The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

red orache, tumbling orache

Habit Herbs annual, monoecious, 1–10(20) dm, grayish farinose to green and glabrate.
Stems

erect to ascending;

branches simple to much branched throughout, sometimes forming tumbleweeds.

Leaves

alternate;

blades ovate to lanceolate; (1)1.5–6 × 1–3(3.5) cm, bases broadly cuneate to rounded, sometimes hastate on lower leaves;

margins wavy to coarsely dentate;

tips obtuse, farinose at least on lower surface;

petioles short to subsessile; (0)2–13 mm.

Inflorescences

axillary few-flowered clusters and terminal spikes.

Staminate flowers

perianths 4–5-lobed.

Pistillate flowers

perianths absent, enclosed by 2 bracteoles.

Seeds

dimorphic; vertical, 1–2 mm; black; shiny or 2–2.5 mm, brown; dull.

Fruiting bracteoles

fused to ~ halfway, rhombic to triangular rhombic, bases broadly cuneate to sometimes subhastate;

margins toothed in upper ?;

tips acute to obtuse;

faces smooth or short tuberculate, sessile or with stipe to 5 mm.

2n

=18.

Atriplex semibaccata

Atriplex rosea

Distribution
[WildflowerSearch map]
[BONAP county map]
[WildflowerSearch map]
[BONAP county map]
Discussion

Disturbed areas, roadsides. Flowering Jul–Sep. 0–1500 m. BR, BW, Col, ECas, Est, Lava, Owy, WV. CA, ID, NV, WA; scattered throughout most of North America; Asia, Europe. Exotic.

Source Flora of Oregon, volume 2, page 71
Bridget Chipman
Sibling taxa
A. argentea, A. canescens, A. confertifolia, A. dioica, A. gardneri, A. gmelinii, A. hortensis, A. hymenelytra, A. micrantha, A. patula, A. powellii, A. prostrata, A. pusilla, A. rosea, A. truncata
A. argentea, A. canescens, A. confertifolia, A. dioica, A. gardneri, A. gmelinii, A. hortensis, A. hymenelytra, A. micrantha, A. patula, A. powellii, A. prostrata, A. pusilla, A. truncata
Web links